Aneurysms don't occur earlier in second generation

Monday, February 23, 2009 - 17:57 in Psychology & Sociology

People whose parents or aunts and uncles have had a brain aneurysm are more likely to have one themselves, indicating that genetic risk factors passed down by generation are responsible. Prior studies had suggested that aneurysm ruptures affect the offspring or second generation as much as 20 years younger than older generations. This suggests that a genetic risk factor is accumulating with each generation and that aggressive screening should be performed. But a new study shows that may not be the case, and the aneurysms actually may happen at an older age. The study was published in the February 24, 2009, print issue of Neurology.

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